88897510180

素因数分解:

$2^2\times 5^1\times {\mathrm{20161}}^1\times {\mathrm{220469}}^1$

素因数の和:240639

約数の個数: 24

約数和(自身を含む): 186694877880

約数和(自身を除く): 97797367700

約数列:

[1, 2, 4, 5, 10, 20, 20161, 40322, 80644, 100805, 201610, 220469, 403220, 440938, 881876, 1102345, 2204690, 4409380, 4444875509, 8889751018, 17779502036, 22224377545, 44448755090, 88897510180]

約数ペア:

[(1, 88897510180), (2, 44448755090), (4, 22224377545), (5, 17779502036), (10, 8889751018), (20, 4444875509), (20161, 4409380), (40322, 2204690), (80644, 1102345), (100805, 881876), (201610, 440938), (220469, 403220)]